The line plays on John Rambo, the Vietnam veteran played by Sylvester Stallone in the First Blood film series that began in 1982, whose name became shorthand for lone, muscular action heroes. The exact recording source of this French clip is not documented, but the phrase spread on soundboards and in short French meme edits as a ready made insult. Its staying power comes from the contrast between Rambo's serious, violent reputation and a short, casual French put down that anyone can reuse without context.